Nissan has filed patents for the names: EX30d, G30d, FX30d, and M30d at the United States Patent and Trademark Office.
The all new engine is a Renault/Nissan joint venture. It is a 3.0 liter V6 dCi that produced 261 horsepower and 406 lb.ft of torque. The V6 dCi also includes a variable geometry turbocharger, which generates a high level of torque even at very low revs.
The engine’s air intake ducts have been specially designed to increase combustion speed inside the cylinders by swirling the air in the cylinders—the swirl effect. Cooled EGR (Exhaust Gas Recirculation), which uses a Renault-patented air/water intercooler, contributes to overall environmental performance of the engine.
The architecture of the exhaust manifolds has been designed to limit load losses and ensure that the maximum amount of energy is delivered to the turbine.
The V6 dCi Concept introduces a new NOx trap. Alongside the catalytic converter, this device is located on the exhaust line between the turbocharger and the particulate filter. The engine is also fitted with a maintenance-free, periodic regeneration particulate filter, which operates using a seventh fuel injector located upstream of the filter. Regeneration occurs automatically, with no need for intervention from the user.